Fix HAVING without GROUP BY#7496
Merged
KochetovNicolai merged 1 commit intoClickHouse:masterfrom Oct 27, 2019
Merged
Conversation
KochetovNicolai
approved these changes
Oct 27, 2019
KochetovNicolai
added
the
pr-improvement
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
I hereby agree to the terms of the CLA available at: https://yandex.ru/legal/cla/?lang=en
Category (leave one):
Short description (up to few sentences):
Queries with
HAVINGand withoutGROUP BYassume group by constant. So,SELECT 1 HAVING 1now returns a result.HAVING without GROUP BY could either be treated as an error (DB2, firebird, sqlite), or returns some constant (mysql, postgres). Let's favor the latter.